Description:
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Two files.
1.php5:
<?
print 'x';
require_once('2.php5');
print 'y';
die('z');
?>

2.php5:
<?
print '1';
throw new Exception('Help me!');
print '2';
?>

After run 1.php5, I expect to see: "x1" printed and uncaughted exception report. But I see "x1yz" printed and no exception report. 

It seems that php just continue execution after returning from require_once(). Even if I surround require_once() by try {} catch block, it still print "x1yz" and die.

Reproduce code:
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Expected result:
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Actual result:
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